diff --git a/internal/pkg/core/statsmanager_test.go b/internal/pkg/core/statsmanager_test.go
index 0155330..438d117 100644
--- a/internal/pkg/core/statsmanager_test.go
+++ b/internal/pkg/core/statsmanager_test.go
@@ -23,8 +23,8 @@
 	"reflect"
 	"testing"
 
-	"github.com/opencord/voltha-protos/v3/go/openolt"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-protos/v4/go/openolt"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 func TestOpenOltStatisticsMgr_PortStatisticsIndication(t *testing.T) {